Tutoring English, spelling is always interesting. The tutor mentions the spelling of the word tambourine.
a hand-held drum with metallic noisemakers attached.
The Brits and the Yanks both spell tambourine this way.
Gilmour, Lorna (editor). Collins Essential Canadian English Dictionary and Thesaurus. Glasgow: HarperCollins, 2006.
Mish, Frederick C. The Merriam-Webster Dictionary. Springfield: Merriam-Webster, 2004.Jack of Oracle Tutoring by Jack and Diane, Campbell River, BC.